Home / 5,238.25-7,228.80-3,000.16

Finding the Fourth Proportional to 5,238.25, 7,228.80 and 3,000.16

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Solution

The fourth proportional to 5,238.25, 7,228.80 and 3,000.16 is: 4,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.25 : 7,228.80 = 3,000.16 : x
  2. Step 2: Convert to fraction form
    5,238.25/7,228.80 = 3,000.16/x
  3. Step 3: Cross multiply
    5,238.25x = 7,228.80 × 3,000.16
  4. Step 4: Simplify right side
    5,238.25x = 21,687,556.61
  5. Step 5: Solve for x
    x = 21,687,556.61/5,238.25
  6. Step 6: Final answer
    x = 4,140.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.